APA (7th ed.) Citation

Cunningham, G. F., & Williams, J. W. (2010). Williams obstetrics (23rd ed.). McGraw Hill Medical.

Chicago Style (17th ed.) Citation

Cunningham, Gary F., and J. Whitridge Williams. Williams Obstetrics. 23rd ed. New York, NY: McGraw Hill Medical, 2010.

MLA (9th ed.) Citation

Cunningham, Gary F., and J. Whitridge Williams. Williams Obstetrics. 23rd ed. McGraw Hill Medical, 2010.

Warning: These citations may not always be 100% accurate.